c3nav – 38C3 indoor navigation app icon

c3nav – 38C3 indoor navigation

Map & indoor navigation for 38C#

c3nav · de.c3nav.droid

Not rated yet 10K+ downloads v4.5.1 4.6 MB Android 4.0+ PEGI 3 · Everyone

Download APK 4.6 MB All versions
  • Same certificate as the 2 other versions checked Details

At a glance

Latest version
v4.5.1 (14040501)
Updated
Sep 19, 2025 (1 year ago)
APK size
4.6 MB
Requires
Android 4.0+ (API 14)
CPU support
Any (no native code)
Category
Maps & Navigation (app)
Listed since
Sep 14, 2020 (at least)
Permissions
12 (4 sensitive)
Website
c3nav.de
Developer contact
[email protected]
Privacy
Developer's privacy policy

About this APK

c3nav – 38C3 indoor navigation is an app by c3nav in the Maps & Navigation category, listed since at least September 2020. It has no native code, so it runs on any Android processor.

Since version 4.2.4, the APK grew from 2.9 MB to 4.6 MB. It asks for 12 permissions, 4 of them sensitive, including precise location, approximate location and Bluetooth scan. It asks for the same permissions as version 4.3.2.

Description

From the listing uploaded by “catappult”.

This is the official Android app for c3nav, the map & indoor navigation software at 38C3 which you can find at c3nav.de. With this app, you get to use c3nav with native Android features, including: - Easier navigation - WiFi-based location - Sharing locations - Creating location shortcuts on your home screen

Version history

3 versions are listed, going back to v4.2.4.

v4.5.1 LATEST Sep 19, 2025 4.6 MB TRUSTED v4.3.2 Mar 30, 2024 3.8 MB TRUSTED v4.2.4 Dec 27, 2023 2.9 MB TRUSTED

All 3 versions

Security & authenticity

Security rating: Trusted

Signing certificate

  • Certificate issued to “Unknown” Not the developer's name (“c3nav”). Names in certificates can't be verified, so this alone proves nothing.
  • Same certificate as the 2 other versions checked

Store checks and file details

  • Developer signature not checked yet Sep 19, 2025
  • Signed byCN=Raphael Michel, OU=Unknown, O=Unknown, L=Unknown, ST=Unknown, C=DE
  • Signing certificate (SHA-1)02:9E:2F:3F:B1:79:B9:6E:DB:21:F9:4A:C6:9A:99:5E:D3:B6:18:8B
  • File MD50336b4b1893b75adecbbd5f028ceafff
  • Uploaded by “catappult” Platinum tier · 1,377 followers · uploading since 2018

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (2 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (12)

c3nav – 38C3 indoor navigation requests 12 permissions, 4 of them sensitive.

Required hardware & features

c3nav – 38C3 indoor navigation APK: questions and answers

Can I install this APK over the version I already have?

Only if it is signed with the same certificate as the copy on your phone and isn't an older version. If Android says “App not installed”, the certificates differ; uninstalling your copy first works but deletes its data unless it is backed up.

Is the c3nav – 38C3 indoor navigation APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. It is signed with the same certificate as the 2 other versions checked. After downloading, check that the file's MD5 is 0336b4b1893b75adecbbd5f028ceafff.

Tags

c3nav droid maps navigation

More Maps & Navigation apps